{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858664,-0.512539,0.000000,0.000000,0.262324,-0.439474,0.859097,0.000000,-0.439543,0.736373,0.514351,0.000000,-2805953.232953,4700849.842171,3261529.839171,1],    "boundingVolume": {    "region": [2.108854,0.540188,2.109018,0.540313,0.000000,16.549433]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/6_245026.b3dm"}}}